Answer / vinod kumar

getch() returns the character you typed without displaying
it on the screen.
getche() returns the character you typed by displaying
(echoing) it on the screen.
and finally, getchar() works similarly and echos the
character that u typed on the screen after "enter" is given.

what will be the output off the following program? #include<stdio.h> int main() { int a; a=015+0*71+5; printf("%d,a"); return0; }

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In a header file whether functions are declared or defined?

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